自学教程：C++ GetCurSel函数代码示例

BOOL CIETabBar::SetNextSel(){	int nCount = GetItemCount();	int nCurSel = GetCurSel();	if (nCount >= 2)	{		if ( nCurSel == nCount-1 )//如果选择的是最后一个		{			SetCurSel(0);		}		else		{			SetCurSel(nCurSel + 1);		}	}	return TRUE;}

void CTabCtrlSSL::OnSelChanging (NMHDR* pNMHDR, LRESULT* pResult) {	// Notify derived classes that the selection is changing.	int nIndex = GetCurSel ();	if (nIndex == -1)		return;	OnDeactivatePage (nIndex, m_nPageIDs[nIndex]);	// Save the input focus and hide the old page.    TabDelete tabDelete = m_tabs[nIndex];    CTabPageSSL* pDialog = tabDelete.pTabPage;	if (pDialog != NULL) {		m_hFocusWnd[nIndex] = ::GetFocus ();		pDialog->ShowWindow (SW_HIDE);	}	*pResult = 0;}

CString COdbcValueComboBox::GetSelectedValueKey() const{	ASSERT(GetSafeHwnd());	int nSel = GetCurSel();	if (nSel == -1)		return _T("");	// else	int nKey = GetItemData(nSel);	ASSERT(nKey >= 0 && nKey < m_aKeys.GetSize());	if (nKey < 0 || nKey >= m_aKeys.GetSize())		return _T("");	return m_aKeys[nKey];}

FONTITEM_PPG* CFontComboBox::GetFontItem(int sel){	if (sel == -1)		sel = GetCurSel();	if (sel == -1)	{		CString str;		GetWindowText( str );		sel = FindString( -1, str );		if (sel == CB_ERR)			sel = 0;	}	ASSERT( GetItemData(sel) );	return (FONTITEM_PPG*) GetItemData(sel);}

void CJobControlDlg::UpdateUI(int JobIdx){	int	jobs = GetJobCount();	if (JobIdx < 0)		JobIdx = GetCurSel();	// update job positioning buttons	m_MoveUpBtn.EnableWindow(JobIdx > 0);	m_MoveDownBtn.EnableWindow(JobIdx >= 0 && JobIdx < jobs - 1);	// update job status buttons; don't let user change status of running job	bool	StatChgOK = JobIdx >= 0 && !IsRunning(JobIdx);	m_PostponeBtn.EnableWindow(StatChgOK);	m_DeleteBtn.EnableWindow(StatChgOK);	// update job control buttons	bool	BatchMode = m_Main->GetBatchMode();	// true if batch jobs are running	m_StartBtn.EnableWindow(jobs && !BatchMode && FindWaiting() >= 0);	m_AbortBtn.EnableWindow(jobs && BatchMode);	m_SkipBtn.EnableWindow(JobIdx >= 0 && BatchMode);}

int CDomainListBox::SelectItem( int nSel, BOOL bSelected ){	if( GetStyle( ) & LBS_MULTIPLESEL )	{		return SetSel( nSel, bSelected );	}	else	{		if( bSelected )			return SetCurSel( nSel );		else		{			if( GetCurSel() == nSel || -1 == nSel )				return SetCurSel( -1 );		}		return -1;	}}

void CXTabCtrl::OnSelchange(NMHDR* pNMHDR, LRESULT* pResult) {	// TODO: Add your control notification handler code here	int iNewTab = GetCurSel();	if (!IsTabEnabled(iNewTab))	{		SetCurSel(m_iSelectedTab);	}	else	{		TCITEM item;		CWnd* pWnd;		item.mask = TCIF_PARAM;				//** hide the current tab ---------		GetItem(m_iSelectedTab, &item);		pWnd = reinterpret_cast<CWnd*> (item.lParam);		ASSERT_VALID(pWnd);		pWnd->ShowWindow(SW_HIDE);		//** show the selected tab --------		GetItem(iNewTab, &item);		pWnd = reinterpret_cast<CWnd*> (item.lParam);		ASSERT_VALID(pWnd);		// 改变属性页的大小位置		CRect rc;		GetClientRect(rc);		rc.top		+= 20;		rc.bottom	-= 3;		rc.left		+= 2;		rc.right	-= 3;		pWnd->MoveWindow(&rc);		pWnd->ShowWindow(SW_SHOW);		// 发送到父窗口Tab项改变		GetParent()->SendMessage(WM_TAB_SEL_CHANGED,0,iNewTab);	}	*pResult = 0;}

void CListImpl::OnMouseMove(UINT wParam, WTL::CPoint pt){  if (m_last_pt == pt) // not moving    return;  m_last_pt = pt;  int index = GetCurSel();  WTL::CRect mainrc = GetHittestDivideRect(2 * index);  WTL::CRect seconrc = GetHittestDivideRect(2 * index + 1);  if (PtInRect(&mainrc, pt))  {    if (m_highlightstat == 1)      return;    SetClassLong(m_hWnd, GCL_HCURSOR, (LONG)LoadCursor(NULL, IDC_HAND));    ::SetCursor(LoadCursor(NULL, IDC_HAND));    m_highlightstat = 1;    Invalidate(FALSE);    return;  }  if (PtInRect(&seconrc, pt))  {    if (m_highlightstat == 2)      return;    SetClassLong(m_hWnd, GCL_HCURSOR, (LONG)LoadCursor(NULL, IDC_HAND));    SetCursor(LoadCursor(NULL, IDC_HAND));    m_highlightstat = 2;    Invalidate(FALSE);    return;  }  int bhightlightorg = m_highlightstat;  m_highlightstat = 0;  SetClassLong(m_hWnd, GCL_HCURSOR, (LONG)LoadCursor(NULL, IDC_ARROW));  SetCursor(LoadCursor(NULL, IDC_ARROW));  if (bhightlightorg != m_highlightstat)    Invalidate(FALSE);}

BOOL CTDLFindTaskExpressionListCtrl::DeleteSelectedRule(){	int nRow = GetCurSel();	if (nRow != -1 && CanDeleteSelectedCell())	{		DeleteItem(nRow);		m_aSearchParams.RemoveAt(nRow);		ValidateListData();		SetCurSel(nRow);		EnsureVisible(nRow, FALSE);		return TRUE;	}	return FALSE;}

// Gets the selected class from the listboxCString CClassList::GetSelectedClass(){	// Get the current selection	int nSelString=GetCurSel();	if (nSelString != LB_ERR)	{		// Get the string for the current selection		CString sString;		GetText(nSelString, sString);		// Return the string		return sString;	}	else	{		// Return an empty string		return "";	}}

void CUnitComboBox::Tran(CWnd *pWnd){	CString strText;	CString strUnit;	double dOut = 0;	double dOut1 = 0;	pWnd->GetWindowText(strText);	GetWindowText(strUnit);	double dIn = _tcstod(strText, '/0');	TransformToStd(dOut,strUnit,dIn);	int nIndex = GetCurSel();	if(CB_ERR != nIndex)	{		GetLBText(nIndex,strUnit);	}	TransformFromStd(dOut1,strUnit,dOut);	pWnd->SetWindowText(GetValue(dOut1));}

void CListBoxEx::CreateComboControl(){    if(IsWindow(ComboCtrl.m_hWnd))        return;    // create edit control    int iItem = GetCurSel();    if(iItem == LB_ERR)        return;    LBEXTITEMSTRUCT& lbis = Items[iItem];    if(lbis.iEditType != lbeChoices)        return;    CRect r;    GetItemRect(iItem, r);    r.left += iCaptionWidthPixels;    r.bottom += 80;    // create combo ctrl    ComboCtrl.Create(WS_CHILD | WS_VISIBLE | WS_VSCROLL | CBS_DROPDOWNLIST |                     WS_TABSTOP, r, this, IDC_EDITPARAMETER);    // set font    HFONT hFont = (HFONT)GetStockObject(DEFAULT_GUI_FONT);    if (hFont == NULL)        hFont = (HFONT)GetStockObject(ANSI_VAR_FONT);    ComboCtrl.SendMessage(WM_SETFONT, (WPARAM)hFont);    // add strings to combo ctrl    CStringArray * pChoices = lbis.pChoices;    Assert(pChoices);    for(int i = 0; i < pChoices->GetSize(); i++)        ComboCtrl.AddString(pChoices->GetAt(i));    // set current selection in combo ctrl    ComboCtrl.SetCurSel(lbis.iDataValue);    ComboCtrl.SetForegroundWindow();    bControlActive = TRUE;    iControlItem = iItem;}

TZNotePage *TZNoteBook::GetActivePage( ){   zSHORT nCurrIdx = GetCurSel( );#ifdef DEBUG_ALL   TraceLineI( "TZNoteBook::GetActivePage: ", nCurrIdx );#endif   TZNotePage *pCurrNotePage = m_pZNotePage;   while ( pCurrNotePage )   {      if ( pCurrNotePage->m_nTabIdx == nCurrIdx )         break;      pCurrNotePage = pCurrNotePage->m_pNext;   }   return( pCurrNotePage );}

bool CShaderListBox::DeleteCurrentShader(){    bool ret = false;    int sel = GetCurSel();    if (sel != LB_ERR) {        if (DeleteShader(sel) != LB_ERR) {            ret = true;            if (GetCount() == sel) {                sel--;            }            if (sel >= 0) {                VERIFY(SetCurSel(sel) != LB_ERR);            }        } else {            ASSERT(FALSE);        }    }    return ret;}

/****************************************************************************** Function Name  :   OnRButtonDown Description    :   The framework calls this member function when the user                    right clicks on the list box Input(s)       :    nFlags -                    point - Output         :   - Functionality  :   Shows a popup menu to clear the contents of the listbox Member of      :   CNotificListbox Author(s)      :   Ravikumar Patil Date Created   :   27-03-2003******************************************************************************/void CNotificListbox::OnRButtonDown(UINT nFlags, CPoint point){    if (GetCount() > 0)    {        CMenu* pomContextMenu = new CMenu;        if (pomContextMenu != NULL)        {            // Load the Menu from the resource            pomContextMenu->DestroyMenu();            pomContextMenu->LoadMenu(IDM_OPERATION_LIST);            CMenu* pomSubMenu = pomContextMenu->GetSubMenu(0);            if (pomSubMenu != NULL)            {                CPoint omSrcPt = point;                ClientToScreen(&omSrcPt);                UINT unEnable;                /* If no item is selected, make "Clear" and "Delete" menu                items disabled */                if (GetCurSel() == -1)                {                    unEnable = MF_BYCOMMAND | MF_DISABLED | MF_GRAYED;                }                else                {                    unEnable = MF_BYCOMMAND | MF_ENABLED;                }                pomSubMenu->EnableMenuItem(IDM_OPRTN_CLEAR, unEnable);                pomSubMenu->EnableMenuItem(IDM_OPRTN_DELETE, unEnable);                pomSubMenu->TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON,                                           omSrcPt.x, omSrcPt.y, this, NULL);            }            delete pomContextMenu;            pomContextMenu = NULL;        }    }    CListBox::OnRButtonDown(nFlags, point);}

void CPhonesListBox::OnEditItem() {    CEditDialog dlg;    CString strItem;    int nIndex = GetCurSel ();    GetText (nIndex, strItem);    int nPos = strItem.Find (_T ('/t'));    dlg.m_strName = strItem.Left (nPos);    dlg.m_strPhone = strItem.Right (strItem.GetLength () - nPos - 1);    if (dlg.DoModal () == IDOK) {        strItem = dlg.m_strName + _T ("/t") + dlg.m_strPhone;        DeleteString (nIndex);        AddString (strItem);    }    SetFocus ();}

void CSkillEditListBox::OnLButtonDblClk(UINT nFlags, CPoint point) {    //get the selected item's skill pointer    int iItem = GetCurSel();    CInvestigatorSkill* pInvestigatorSkill = (CInvestigatorSkill*)GetItemData(iItem);    //determine how to edit, depending on the item selected	if( pInvestigatorSkill->m_pSkill->m_SkillType == ANYSKILL )	{		CChooseSkillDlg ChooseSkillDlg;		ChooseSkillDlg.m_strCustomPrompt = "Please select a skill as a personal specialty";		ChooseSkillDlg.m_pInvestigator = m_pInvestigator;        ChooseSkillDlg.SetAsOccupational(); 		if( ChooseSkillDlg.DoModal() == IDOK )         {            //remove the ANYSKILL            m_pInvestigator->RemoveSkill( pInvestigatorSkill );            //reset the list            Initialise();        }	}	else	{		if( pInvestigatorSkill->m_pSkill->m_SkillType == SUBSKILL )		{            //determine x position of double click            CRect rcListBox;            GetClientRect( &rcListBox );            //prepare the selection rectangle            if( point.x < rcListBox.right - 40 || ((CSubSkill*)pInvestigatorSkill->m_pSkill)->m_strName.GetLength() == 0 )                BeginSpecialEditing();            else                BeginPercentageEditing();		}		else			BeginPercentageEditing();	}    //don't call base class}

void CVideoSourceListBox::OnRButtonUp(UINT nFlags, CPoint point) {	// TODO: Code für die Behandlungsroutine für Nachrichten hier einfügen und/oder Standard aufrufen	CMenu*			cmPopupMenu;	int				iIndex;	CString			cStr;	bool			bShowMenu=false;	cmPopupMenu=new CMenu;	cmPopupMenu->CreatePopupMenu();		if (GetCount())	{		iIndex=GetCurSel();		if (iIndex!=LB_ERR)		{			if (bShowMenu) cmPopupMenu->AppendMenu(MF_SEPARATOR,0);						if (bShowMenu) cmPopupMenu->AppendMenu(MF_SEPARATOR,0);			cStr=LoadString(IDS_VSLB_INFO);			cmPopupMenu->AppendMenu(MF_STRING,IDM_VIDEOINFORMATION,cStr);			bShowMenu=true;			if (bShowMenu) cmPopupMenu->AppendMenu(MF_SEPARATOR,0);						CUTF8 utf8Text(LoadString(STR_MAIN_A_EXTRBIN), CHARACTER_ENCODING_UTF8);			cmPopupMenu->AppendMenu(MF_STRING, IDM_EXTRACT_BINARY, //LoadString(STR_MAIN_A_EXTRBIN));				utf8Text.TStr());		}	}		if (bShowMenu)	{		ClientToScreen(&point);		cmPopupMenu->TrackPopupMenu(TPM_LEFTALIGN | TPM_LEFTBUTTON,point.x,point.y,this);	}	delete cmPopupMenu;	CEnhancedListBox::OnRButtonUp(nFlags, point);		CEnhancedListBox::OnRButtonUp(nFlags, point);}

void CDropListBox::OnMouseMove(UINT nFlags, CPoint point) {	//	// Is mouse within listbox	CRect rcClient;	GetClientRect( rcClient );	if( !rcClient.PtInRect( point ) )	{		ReleaseCapture();		GetParent()->SendMessage( WM_VRC_SETCAPTURE );	}	//	// Set selection item under mouse	int nPos = PointTest(point);	PLIST_ITEM pItem = (PLIST_ITEM)GetItemDataPtr(nPos);	if( nPos != LB_ERR && (DWORD)pItem != -1 && pItem != NULL)	{		if( GetCurSel() != nPos && !(pItem->state & ACBIS_DISABLED) )		{			SetCurSel( nPos );		}	}	//	// Check if we have auto scrolled	if( m_nLastTopIdx != GetTopIndex() )	{		int nDiff = m_nLastTopIdx - GetTopIndex();		m_nLastTopIdx = GetTopIndex();		SCROLLINFO info;		info.cbSize = sizeof(SCROLLINFO);		if( m_pDropWnd->GetScrollBarPtr()->GetScrollInfo( &info, SIF_ALL|SIF_DISABLENOSCROLL ) )		{			info.nPos = m_nLastTopIdx;			m_pDropWnd->GetScrollBarPtr()->SetScrollInfo( &info );		}	}	CListBox::OnMouseMove(nFlags, point);}

void CPropTreeItemCombo::DrawAttribute( CDC *pDC, const RECT &rc ) {	ASSERT( m_pProp != NULL );	// verify the window has been created	if( !IsWindow( m_hWnd ) ) {		TRACE0( "CPropTreeItemCombo::DrawAttribute() - The window has not been created/n" );		return;	}	pDC->SelectObject( IsReadOnly() ? m_pProp->GetNormalFont() : m_pProp->GetBoldFont() );	pDC->SetTextColor( RGB( 0, 0, 0 ) );	pDC->SetBkMode( TRANSPARENT );	CRect r = rc;	CString s;	LONG idx;	if( ( idx = GetCurSel() ) != CB_ERR ) {		GetLBText( idx, s );	} else {		s = _T( "" );	}	pDC->DrawText( s, r, DT_SINGLELINE | DT_VCENTER );}

// -2 - out of control, -1 - out of tab-labels, 0+ - tab index 0-basedint CTabBarClass::ActivateTabByPoint(LPPOINT pptCur, bool bScreen /*= true*/, bool bOverTabHitTest /*= true*/){	int iHoverTab = GetTabFromPoint(NULL);	if (iHoverTab < 0)		return iHoverTab;	if (iHoverTab == GetCurSel())		return iHoverTab;	if (!CanActivateTab(iHoverTab))	{		iHoverTab = -2;	}	else	{		if (!mp_Rebar->FarSendChangeTab(iHoverTab))			iHoverTab = -2;	}	return iHoverTab;}

// AcceptSelection ----------------------------------------------------------void CCodeListCtrl::AcceptSelection(){   // If nothing is selected yet, we'll select the first item in the list   // and we won't close the list until next time.   //   if( -1 == GetCurSel() )      SelectItem( 0 );   else if( !m_bAcceptSel )   {      m_bAcceptSel = true;      // Notify the parent that something has been selected, and destroy the      // list control if the parent has no objections.      //      if( !NotifyParent( CMN_CODELISTSELMADE ) )         CDispatchWnd::DestroyWindow();      else         m_bAcceptSel = false;   }}

void CDropDown::OnSelendok() {  // theApp.NotificationMessage(m_strID);  char str[MAX_PATH];  GetWindowText(str,MAX_PATH);  CSeriousSkaStudioDoc *pDoc = theApp.GetDocument();  // set ID of selected item  if(m_bSetID)  {    theApp.m_dlgBarTreeView.ChangeTextureOnSelectedSurfaces(m_strID,str);    pDoc->MarkAsChanged();    return;  }  else  {    INDEX iIndex = GetCurSel();    pDoc->MarkAsChanged();    theApp.m_dlgBarTreeView.ChangeTextureCoordsOnSelectedSurfaces(m_strID,iIndex);  }}

void CPreferencesToolPage::OnEndlabeleditToollist(NMHDR* pNMHDR, LRESULT* pResult) {	LV_DISPINFO* pDispInfo = (LV_DISPINFO*)pNMHDR;		if (pDispInfo->item.pszText)	{		int nSel = GetCurSel();		if (nSel >= 0)		{			m_lcTools.SetItemText(nSel, 0, pDispInfo->item.pszText);			GetDlgItem(IDC_TOOLPATH)->SetFocus();		}	}		*pResult = 0;	CPreferencesPageBase::OnControlChange();}

BOOL CTDLFindTaskExpressionListCtrl::PreTranslateMessage(MSG* pMsg) {	if (pMsg->message == WM_KEYDOWN)	{		int nSel = GetCurSel();				if (nSel != -1)		{			// if the focus is on the attrib list and the user hits the spacebar			// then toggle the enabled state			switch (pMsg->wParam)			{			case VK_F2:				EditSelectedCell();				break;			case VK_DELETE:				DeleteSelectedRule();				break;			case VK_UP:				if (Misc::ModKeysArePressed(MKS_CTRL))				{					MoveSelectedRuleUp();					return TRUE; // eat it				}				break;			case VK_DOWN:				if (Misc::ModKeysArePressed(MKS_CTRL))				{					MoveSelectedRuleDown();					return TRUE; // eat it				}				break;			}		}	}		return CInputListCtrl::PreTranslateMessage(pMsg);}

void CInPlaceListBox::OnKillFocus(CWnd* pNewWnd){    CListBox::OnKillFocus(pNewWnd);    CString str;    GetWindowText(str);    LV_DISPINFO dispinfo;    dispinfo.hdr.hwndFrom = GetParent()->m_hWnd;    dispinfo.hdr.idFrom = GetDlgCtrlID();    dispinfo.hdr.code = LVN_ENDLABELEDIT;    dispinfo.item.mask = LVIF_TEXT | LVIF_PARAM;    dispinfo.item.iItem = m_iItem;    dispinfo.item.iSubItem = m_iSubItem;    dispinfo.item.pszText = m_bESC ? nullptr : LPTSTR((LPCTSTR)str);    dispinfo.item.cchTextMax = str.GetLength();    dispinfo.item.lParam = GetCurSel();    GetParent()->GetParent()->SendMessage(WM_NOTIFY, GetParent()->GetDlgCtrlID(), (LPARAM)&dispinfo);    PostMessage(WM_CLOSE);}

void CTabCtrlSSL::OnSelChange (NMHDR* pNMHDR, LRESULT* pResult) {	int nIndex = GetCurSel ();	if (nIndex == -1)		return;	// Show the new page.    TabDelete tabDelete = m_tabs[nIndex];    CTabPageSSL* pDialog = tabDelete.pTabPage;	if (pDialog != NULL) {		::SetFocus (m_hFocusWnd[nIndex]);		CRect rect;		GetClientRect (&rect);		ResizeDialog (nIndex, rect.Width (), rect.Height ());		pDialog->ShowWindow (SW_SHOW);	}	// Notify derived classes that the selection has changed.	OnActivatePage (nIndex, m_nPageIDs[nIndex]);	*pResult = 0;}